/Engine/Plugins/Editor/WaveformEditor/Source/WaveformEditorWidgets/Public/WaveformEditorSequenceDataProvider.h
UIs for different transformations are registered with and spawned byFWaveformTransformationRenderLayerFactory. Transformations don't necessarily have a widget UI. In that case, they are only reflected in the render data.
class FWaveformEditorSequenceDataProvider : public [IFixedSampledSequenceViewProvider](API\Plugins\AudioWidgets\IFixedSampledSequenceViewProvide-), public [TSharedFromThis< FWaveformEditorSequenceDataProvider >](API\Runtime\Core\Templates\TSharedFromThis)
FOnDataViewGene...
OnDataViewGenerated
Called when new data view is generated
FOnLayersChainG...
OnLayersChainGenerated
Called when a new layer chain of transformations UI is created
FOnRenderElemen...
OnRenderElementsUpdated
Called when the different render elements are updated